BE677815A - - Google Patents

Info

Publication number
BE677815A
BE677815A BE677815DA BE677815A BE 677815 A BE677815 A BE 677815A BE 677815D A BE677815D A BE 677815DA BE 677815 A BE677815 A BE 677815A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE677815A publication Critical patent/BE677815A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Dc-Dc Converters (AREA)
  • Amplifiers (AREA)
  • Details Of Television Scanning (AREA)
BE677815D 1965-03-16 1966-03-14 BE677815A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11192/65A GB1077362A (en) 1965-03-16 1965-03-16 Improvements in or relating to low frequency amplifier circuits

Publications (1)

Publication Number Publication Date
BE677815A true BE677815A (xx) 1966-09-14

Family

ID=9981710

Family Applications (1)

Application Number Title Priority Date Filing Date
BE677815D BE677815A (xx) 1965-03-16 1966-03-14

Country Status (9)

Country Link
US (1) US3449679A (xx)
JP (1) JPS4530635B1 (xx)
AT (1) AT273303B (xx)
BE (1) BE677815A (xx)
DE (1) DE1291802B (xx)
DK (1) DK118348B (xx)
FR (1) FR1482063A (xx)
GB (1) GB1077362A (xx)
NL (1) NL6603321A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016687A2 (fr) * 1979-03-26 1980-10-01 François Kneider Amplificateur à gain variable et dispositif d'animation d'enseigne lumineuse en comportant application

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737735A (en) * 1986-07-25 1988-04-12 Kampes Donald P Phantom powered amplifier
WO2006038705A1 (ja) * 2004-10-05 2006-04-13 Sumitomo Chemical Company, Limited ヒドロキシ化合物の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE945254C (de) * 1954-08-21 1956-07-05 Leitz Ernst Gmbh Schaltung mit Elektronenroehren als Wechselspannungsverstaerker und als Gleichspannungsstabilisator
DE1049962B (de) * 1956-10-31 1959-02-05 Siemens-Schuckertwerke Aktiengesellschaft, Berlin Und Erlangen Stromversorgungsanlage mit geregelter Speisung des Verbrauchers
US3305767A (en) * 1963-09-10 1967-02-21 North American Aviation Inc Voltage regulator
US3365672A (en) * 1964-09-22 1968-01-23 Westinghouse Electric Corp Common base power amplifier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016687A2 (fr) * 1979-03-26 1980-10-01 François Kneider Amplificateur à gain variable et dispositif d'animation d'enseigne lumineuse en comportant application
EP0016687A3 (en) * 1979-03-26 1980-10-15 Francois Kneider Variable gain amplifier and device comprising it for the animation of illuminated signs
FR2452824A1 (fr) * 1979-03-26 1980-10-24 Kneider Francois Amplificateur a gain variable et dispositif d'animation d'enseigne lumineuse en comportant application

Also Published As

Publication number Publication date
DK118348B (da) 1970-08-10
AT273303B (de) 1969-08-11
GB1077362A (en) 1967-07-26
US3449679A (en) 1969-06-10
DE1291802B (de) 1969-04-03
NL6603321A (xx) 1966-09-19
JPS4530635B1 (xx) 1970-10-03
FR1482063A (fr) 1967-05-26

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